Cadillac CTS-V Coupe (2015) is 460 mm (18.11 inch) longer and 147 mm (5.79 inch) wider than Chevrolet Sonic (Sedan) (2017).
Chevrolet Sonic (Sedan) (2017) is 94 mm (3.70 inch) higher, 634 kg (1,398 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).